Bintel Astrophotographer of the year 2023 Gold Winners

Our Gold Winners

Name – Vesselin Petkov

Object – Centaurus A

Centaurus A (RGB)
Celestron 9.25 + Celestron f/6.3 Reducer + ZWO ASI533MC + Optolong L-Pro
EQ6-R Pro
ZWO ASI120MC-S + William Optics UniGuide 32mm
247×120″ lights (8h 14min)
No calibration frames
Nebulosity4 for Mac
PHD2
PixInsight
Photoshop CC
Cairns
Bortle 6

Name – Stefan Nebl

Object – Corona Australis

This is a widefield image of the Corona Australis molecular cloud, an active star-forming region relatively close to Earth at just 430 lightyears away. In the top left is a beautiful visitor, a bright orange meteor that shot through one of the exposures leaving a gorgeous remnant! This image was taken over one night in dark skies with an unmodified DSLR and a 100mm Macrophotography lens!

DETAILS:

Date captured: June 16 2023

Location: Heathcote Victoria, ASV LMDSS, Bortle 2

Mount: Sky-Watcher StarAdventurer 2i

Imaging lens: Venus Optics F/2.8 2:1 ULTRA MACRO APO

Imaging camera: Nikon D600

Filters: UV-IR cut

Processing: PixInsight

Exposure:

TOTAL = 6h

180x120s, ISO 1600, F/4

Name – Stefan Nebl

Object – Dark Clouds of Chameleon

This is a rarely imaged, yet beautiful part of our southern skies, a portion of the large Chameleon complex. It is a dense molecular cloud located 500-600 lightyears away. It is one of the closest molecular clouds to Earth, but seems to be currently devoid of new star formation. This image includes the galaxy in the top right, IC3104, an irregular galaxy 7.3 Million lightyears away!

This image was taken over two nights in dark skies, it is a straight LRGB image, totaling 9.5 hours of exposure.

DETAILS:

Date captured: January 26-27 2023

Location: Heathcote Victoria, ASV LMDSS, Bortle 2

Mount: Sky-Watcher NEQ6 Pro

Imaging scope: SharpStar HNT150 F/2.8

Imaging camera: ZWO ASI183MM-Pro

Filters: Chroma LRGB

Image acquisition: Sequence Generator Pro

Processing: PixInsight

Exposure:

TOTAL = 9.5h

L: 90x180s (gain: 50) -20°C

RGB, each: 20x300s (gain: 50) -10°C

Name – Paul Zimmermann

Object – NGC 4038, NGC 4039

My first image is of the Antennae Galaxies (Arp 244), a pair of spiral galaxies 45 million light years away (ngc 4038, ngc 4039), undergoing a merger that started a few hundred million years ago. Tidal forces from the collision have torn the spiral arms away from their galactic cores, resulting in the two antennae like tails. It’s expected that in the future the merger will result in a single elliptical galaxy.

The equipment used for both images is as follows; Saxon 250mm x 1200mm newtonian scope, skywatcher ed72 guide scope, Saxon neq 6 pro mount. QHY 294 colour and mono cameras for imaging, ZWO as 120mm mini cam for guiding, ZWO IRcut and Optolong 3nm Ha filters and a cheap acer laptop to run it all.

Processing as follows; stacking in Pixinsight, Light pollution removal in AstroPixelProcessor, combining of Ha and broadband data in Pixinsight, final sharpening and noise reduction in photoshop.

Integration times per target:

Antennae Galaxies; Mono luminance in 47 mp mode 23 x 5min (1hr 55min), RGB 24 x 5min (2hrs), Ha 17 x 5min (1hr 25min).

Name – Oakley Chatman

Object – Chameleon 1 Molecular cloud

177 x 300s, 14h 45m total exposure.

Rokinon 135mm F/2
Nikon D750
SWSA original
Open Astro Guider

Name – Matt White

Object – Storm + LMC

I thought I’d add in my favorite image which captures both my storm chasing and astrophotography. I wanted to capture the large Magellanic cloud with some lightning. Easier said than done but I finally captured this one in central Queensland. It is only a 30sec shot which is extremely low exposure for astrophotography however I couldn’t resist putting it in. It was taken with a nikon 850D with a 14-24 wide angle lens.

Name – Kelvin Hennessy

Object – Ultra Wide Milky Way

My “Ultra Wide Milky Way” panorama is created from 90 separate mosaic panels (18 x 5) with almost 90 hours of total data integration. I used a dual camera arrangement consisting of a CentralDS astro modified and cooled Canon 6D coupled to a Sigma 85mm F/1.4 lens, alongside a ZWO ASI294MC Pro with a Sigma 40mm F/1.4 lens. The Hydrogen Alpha regions were separately acquired using a ZWO ASI294MM Pro monochrome camera.

The individual mosaic panels were first integrated from both cameras and then assembled as a mosaic in AstroPixelProcessor, with final processing performed in Adobe Photoshop.

Name – Kavan Chay

Object – Aoraki National Park + Milkyway

Taken from the Aoraki National Park.

EXIF:
Gear used: Nikon Z7a, Nikkor Z 14-24 f2.8S, Sigma Art 40mm f1.4, Sky-Watcher Star Adventurer Pro

Settings:
Sky: 8 frames x 3 rows (approximately), each shot at 40mm, f1.8, ISO1250, 30 second exposures. Merged in PTGui.

Foreground: 9 frames x 1 row, each shot at 18mm, f4.0, ISO6400, 60 second exposures. Merged in PTGui.

Final blend and adjustments done in Photoshop and Lightroom.

Name – Chris Jensen

Object – NGC6334 – Cat’s Paw Nebula

NGC6334 (Cat’s Paw Nebula) is an emission nebula approximately 5.5 klys from Earth. As with most nebulas, there are several embedded star-forming regions within the cloud structure of the nebula. Spanning 320 lys across, the region emits in Ha, Oiii and Sii wavelengths, making it an ideal target for the SHO narrowband palette. This image is 18 hrs of total integration time in Sii, Ha and Oiii with RGB stars and processed in the SHO palette. The image was captured using a Bintel BT200 800mm Newtonian on an EQ6R-Pro with an ASI1600MM-Pro with ZWO RGB, Ha and Oiii filters.

Name – Alex van Harmelen

Object – Aurora borealis

An early morning wake up to the extraordinary sight of the aurora borealis while travelling in Iceland.
Taken on a Canon R5 with a Samyang XP 14mm f2.4 lens, all supported on my trusty Gitzo traveller tripod.
Exposure – 8 seconds, f2.8 and 4000 ISO.

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